2024-03-28T17:05:40Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/2157132021-12-28T15:38:52Zcom_10261_56com_10261_3col_10261_309
DIGITAL.CSIC
author
García-Martínez, Jesús María
author
Collar, Emilia P.
funder
Ministerio de Economía y Competitividad (España)
2020-06-30T16:44:39Z
2020-06-30T16:44:39Z
2020-05-27
Polymers 12(6): 1216 (2020)
http://hdl.handle.net/10261/215713
10.3390/polym12061216
2073-4360
http://dx.doi.org/10.13039/501100003329
32471039
The present article adequately supports a twofold objective. On one hand, the study of the dynamic mechanical behavior of polypropylene/polyamide-6 blends modified by a novel compatibilizer was the objective. This was previously obtained by chemical modification of an atactic polypropylene polymerization waste. On the other hand, the accurate predictions of these properties in the experimental space scanned was the objective. As a novelty, this compatibilizer contains grafts rather than just maleated ones. Therefore, it consists precisely of an atactic polymer containing succinic anhydride (SA) bridges and both backbone and terminal grafted succinyl-fluorescein groups (SFSA) attached to the atactic backbone (aPP-SFSA). Therefore, it contains 6.2% of total grafting (2.5% as SA and 3.7% as SF), which is equivalent to 6.2 × 10−4 g·mol−1. This interfacial agent was uniquely designed and obtained by the authors themselves. Essentially, this article focuses on how the beneficial effect of both PA6 and aPP-SFSA varies the elastic (E’) and the viscous (E’’) behavior of the iPP/aPP-SFSA/PA6 blend at the iPP glass transition. Thus, we accurately measured the Dynamic Mechanical Analysis (DMA) parameters (E’, E’’) at this specific point considering it represents an extremely unfavorable scenario for the interfacial modifier due to mobility restrictions. Hence, this evidences the real interfacial modifications caused by aPP-SFSA to the iPP/PA6 system. Even more, and since each of the necessary components in the blend typically interacts with one another, we employed a Box–Wilson experimental design by its marked resemblance to the “agent-based models”. In this manner, we obtained complex algorithms accurately forecasting the dynamic mechanical behavior of the blends for all the composition range of the iPP/aPP-SFSA/PA6 system at the glass transition of iPP.
openAccess
PA6/iPP
Blends
Glass transition
Interfacial agents
Compatibilizers
aPP-SFSA
DMA
Wastes
The Role of a Succinyl Fluorescein-Succinic Anhydride Grafted Atactic Polypropylene on the Dynamic Mechanical Properties of Polypropylene/Polyamide-6 Blends at the Polypropylene Glass Transition
artículo
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URL
https://digital.csic.es/bitstream/10261/215713/1/Role_Garcia_Art_2020.pdf
File
MD5
94461f5c2db06a231578a172580ca0be
3418368
application/pdf
Role_Garcia_Art_2020.pdf